McAfee MAP-3300-SWG - Web Security Appliance 3300, Product Manual

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• .[{()\*+?|^$
• . matches any character
• \. matches a literal "." character
• \\ matches a literal "\" character
• (string1|string2) matches either string1 or string2
Anchors require that an expression is found in a particular place within a string, but do not match any
characters (zero width assertions)
• \b matches a word boundary (start or end of a word)
• ^ matches the start of a line
• $ matches the end of a line
Character classes match a particular type of character
• \s matches any whitespace character
• \w matches any word character (a-z, A-Z, 0-9 and "_")
• \d matches any digit
• [abc] matches any one character a, b or c
Quantifiers apply to the previous term:
• * matches 0 or more of the previous term
• + matches 1 or more of the previous term
For example:
• ^aa matches lines that start with aa
• bb$ matches lines that end with bb
• cc matches ccd, acc, and accd
• ab*c matches ac, abc and abbc
• a\d+b matches a2b and a23456b, but not ab
• a.c matches abc, but not ac or abbc
• a.*c matches ac, abc and adefghb
• a[bcd]e matches abe, ace and ade, but not abcde
• It is (lunch|dinner) time matches "It is lunch time" or "It is dinner time"
Task — Adding a new dictionary
1 Go to
Email
|
Email Policies
|
Dictionaries
.
2 Click
Add Dictionary
and specify its details:
• Type the name of the dictionary
• Optionally provide a description
• Select whether you want to match simple strings or regular expressions
Overview of Email features
Email Policies
152 McAfee Email and Web Security Appliances 5.6.0 Product Guide